71116436 has 12 divisors (see below), whose sum is σ = 124825428. Its totient is φ = 35452032.

The previous prime is 71116399. The next prime is 71116469. The reversal of 71116436 is 63461117.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 28944400 = 6494^2 + 5380^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71116399 and 71116408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25031 + ... + 27726.

It is an arithmetic number, because the mean of its divisors is an integer number (10402119).

Almost surely, 2^71116436 is an apocalyptic number.

It is an amenable number.

71116436 is a deficient number, since it is larger than the sum of its proper divisors (53708992).

71116436 is a wasteful number, since it uses less digits than its factorization.

71116436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53098 (or 53096 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 71116436 is about 8433.0561482774. The cubic root of 71116436 is about 414.3080082448.

The spelling of 71116436 in words is "seventy-one million, one hundred sixteen thousand, four hundred thirty-six".